CERROGRANDENSIS  Nieves-Hernández et al., 2014

Series *

Type : Mexico. Colima : Municipio Minatitlán, Lagunitas-El Terrero, 2200 m. 19 February 2005.

Etymology : Referring to Cerro Grande, the type locality.

Distribution : Mexico : Endemic to the Cerro Grande massif in the eastern Sierra de Manantlán, Colima, probably also to the Jaliscan part of the Cerro Grande, growing on calcareous rocks at 2200 m, in montane cloud forest.

First Description by A. Vázquez & G. Nieves in Phytotaxa 172 (3): 247-255. 2014 :

Rupicolous perennial rosette.

Stem single, erect to decumbent, 2 - 5 cm long, 1.5 cm in diameter, pale brown with darker leaf scars.

Rosettes 8 - 11 cm in diameter, lax, closed in winter.

Leaves (3-) 4 - 6 x 2.5 - 3.5 cm, basally 1.2 - 1.5 cm wide, 2 mm thick in the middle, broadly obovate, cuneate at base, apiculate at the apex, concave, glaucous to pale green,  margins straight, entire, pinkish.

Flower stems 1 or 2, erect, 11 - 22 (- 35) cm long, including the panicle, 2.5 mm thick in the base, pinkish green, bracts 1.5 - 3.5 x 0.8 - 1.3 cm, obovate, margins pinkish, panicle 4 - 11 flowers, usually two branched, (1-) 3 - 5 (-6) flowers per branch, pedicels straight, 8 - 16 mm long., bracteoles lanceolate, 0.5 - 1.3 0.2 x 0.5 cm, green.

Flowers : Sepals subequal, lanceolate, straigth, 8 x 3 mm, spreading, corolla urceolate pentagonal at the base, 1.2 x 1.1 cm, petals 1-2 x 0.5 cm, ovate, concave, acute at the apex, pink throughout, darkened at the tip with age, pinkish white inside (the photos suggest that they are pruinose outside).

Note :

* The authors decided to place this new species in series Gibbiflorae. In view of the small size of this plant, the short stem and especially the urceolate corolla this classification is rather doubtful.

Published in Phytotaxa, 2014